# The scores on a college entrance exam is 100 with a standard deviation of 7.5. How do you find the probability that a randomly selected score is between 85 and 100?

##### 1 Answer

Jun 22, 2017

Proability that a randomly selected score is between

#### Explanation:

Asumming that the distribution is normal, let us find the

As

Hence for

and for

Hence area between

and probability is